check engine light on but truck runs fine

Getting Codes P123312351237. This is to notify you that a problem that may.


Why Is My Check Engine Light On Autozone

It was raining a lot so maybe that caused some issue.

. Truck still runs and drives normal. The check engine light has been going on and off. When the truck is cold it runs fine and no engine light.

How to fix the check engine. It has been acting up for the past 2 months. Yesterday I get check engine light on and truck is running fine.

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When your vehicles onboard computer detects something is not right it illuminates the light. Switching the ignition on and off is also one method of hard reset without disconnecting batteries. Once it is done see if the engine check light is still coming on or not.

The Service Engine or Check Engine light comes on when the ECUhas detected a problem with the emissions system. Up to 8 cash back Check engine light is on and my truck doesnt run right wont take gas and big lose of power ran diagnostics came back camshaft position sensorreplaced it light when off drove fine then came back on replaced again and came back on took it to the dodge dealer and they cant figure it out and its not a short in wires what. If they look shabby you should.

Many think ignoring a check engine light will make one go away instead itll only make the underlying problem grow worse over time that could eventually result in a major breakdown that requires. Truck 2001 Dodge Ram 1500 runs fine. Unfortunately I dont have a scanner with me to run the code.

This can be an indication of a minor or major problem. Check engine light. Fuel driver module is oxidized on frame.

With your engine off check your spark plug wires for tiny cracks or holes especially around the ends of the wires. Your Check Engine Light may be indicating a simple problem thats easy to fixsuch as a loose gas cap that needs to be replaced. Average repair cost is 2430 at 23350 miles.

I have looked code up online and with mechanics here at work who say it is a transmission overdrive sensor. After running 10-15 minutes the light goes on and vibration starts. The Check Engine Light can come on for any number or reasons.

It could also be a warning of a serious problem that could damage your engine components. Up to 8 cash back Part 1 of 6. Runs fine but wont remote start light on solidcrying.

1 p042000 - catalyst system efficiency below threshold 2 p200200 - dpf efficiency below threshold I dont see any issues through after treatment diagnostics and truck is running good. If one of the values from a sensor is faulty for a short amount of time it will trigger a trouble code. Your Check Engine Light blinks or glows depending on whats wrong with your vehicle.

2018 L5P 1900mi. The cap is a crucial part of a cars fuel delivery system. All gauges and temps.

If the light turns off theres no need to get your car serviced. If this problem is severe from a misfire it will start to flash the check engine light instead. Any ideas on what it could be or am I going to have to get it.

Drove it 140 miles home and it drove fine - until I took cruise control off and was heading home off the freeway and it seemed to be skippinglunging at low speeds almost felt like a misfirebad fuel or something. If you have VVT it. I called on star and they couldnt run a diag on my truck because I have an eld hooked up at the.

But as soon as the light turns off it runs fine again. No more messages and truck is driving fine just has check engine light on. If the engine control unit is getting the wrong value from the sensor several times the check engine light will appear on your dashboard.

The 2017 Chevrolet Silverado 1500 has 6 problems reported for check engine light on. Turning the Ignition On and Off. Why the Check Engine Light comes on.

Today I checked codes on Ta and I got this 2. This electricity was supposed to be going to a spark plug and since it didnt the engine will misfire slightly meaning one of the spark plugs didnt spark enough. When the light comes on it acts like it looses power and it acts bogged down.

It notably prevents gasoline fumes from leaving. And it is scary to drive on the road. Truck drove the same but with the check engine light on.

Jump to Latest Follow Hey Everyone. In this thread in this sub-forum in the entire site. Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step.

On the way home this afternoon the light actually went off and ran smooth for a few seconds then the. It is not an indicator of trouble like the check engine light is. Once again this can cause the Check Engine light to come on.

Could this the problem. I cant see if theres a hole in module since its still attached to frame. If your engine light turns on you may want to try tightening the gas cap.

Unfortunately many people assume that the appearance of a check engine light when everything seems fine with their vehicle is just a glitch that can be ignored. Your local mechanic can usually diagnose the problem for about 75. Your timing chain could have jumped.

Check engine lite on. Remember a check engine light can turn on as a result of a loose gas cap so firmly tightening the cap could solve the problem. Coming home yesterday my check engine light came on.

Tha k you boss Ill let u k ie what the code is. Repair facility says I need a whole new transmission. While a majority of the time the flashing check engine light is going to be caused by a misfire related to your Silverados ignition system or fuel system as stated above there are other issues that can cause it.

Check engine light on or flashing in your car what it means and if you should worry DIY with Scotty Kilmer. A loose fuel cap is one of the most common reasons why the check engine light turns on. 2021 3500 Z71 Sport LTZ 2020 Sierra AT4 3500 Duramax.

The Check Engine Light comes on solid but the vehicle. Check eng light on and truck starts and runs fine. Battery levels were fine - everything checked out except for the check engine light not going off.

But when it is on it runs like crap and when its off it runs fine. No dealers around me can get my truck in. Do not ignorethis light even if the engine seems to be running fine.


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